Heating stove



FIG. 1 is a front perspective view of a heating stove, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof. 

The ornamental design for a heating stove, as shown. 